DTMFDetect Class Reference

DTMFDetect is used for detecting DTMF tones in a stream of audio. More...

#include <audio.h>

List of all members.

Public Member Functions
	DTMFDetect ()
	~DTMFDetect ()
int	putSamples (int16_t buffer[], int count)
int	getResult (char *buf, int max)
Protected Member Functions
void	goertzelInit (goertzel_state_t *s, tone_detection_descriptor_t *t)
void	goertzelUpdate (goertzel_state_t *s, int16_t x[], int samples)
float	goertzelResult (goertzel_state_t *s)

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Detailed Description

DTMFDetect is used for detecting DTMF tones in a stream of audio.

It currently only supports 8000Hz input.

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Constructor & Destructor Documentation

DTMFDetect::DTMFDetect

(

)

DTMFDetect::~DTMFDetect

(

)

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Member Function Documentation

int DTMFDetect::putSamples	(	int16_t	buffer[],
		int	count
	)

int DTMFDetect::getResult	(	char *	buf,
		int	max
	)

void DTMFDetect::goertzelInit	(	goertzel_state_t *	s,
		tone_detection_descriptor_t *	t
	)			[protected]

void DTMFDetect::goertzelUpdate	(	goertzel_state_t *	s,
		int16_t	x[],
		int	samples
	)			[protected]

float DTMFDetect::goertzelResult

(

goertzel_state_t *

s

)

[protected]

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The documentation for this class was generated from the following file:

• audio.h

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